docs: def repertoire_distance(direction, r1, r2):
      """Compute the distance between two repertoires for the given direction.
  
      Args:
          direction (Direction): |CAUSE| or |EFFECT|.
          r1 (np.ndarray): The first repertoire.
          r2 (np.ndarray): The second repertoire.
  
      Returns:
          float: The distance between ``d1`` and ``d2``, rounded to |PRECISION|.
      """
      if config.MEASURE == 'EMD':
          dist = directional_emd(direction, r1, r2)
      else:
          dist = measures[config.MEASURE](r1, r2)
  
      return round(dist, config.PRECISION)